.imga img{
     position: relative;
     top: 0;
     left: 100px;
}
.imgb{
    width: 1200px;
    height: 50px;
    /* background-color: red; */
    margin: 0 auto;
}
.imgb a{
    display: block;
    float: right;
    width: 150px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    border: 1px solid #cecece;
}
/* .productdetails{
    width: 1520px;
    height: 2000px;
    background-color: rgb(255, 166, 83);
} */
.productdetails{
    width: 100%;
    height: 266px;
    /* background-color: #888; */
}
.productdetails_dll{
    width: 1200px;
    height: 266px;
    background-color: #d6d6d6;
    /* position: absolute; */
    margin-left: auto;
    margin-right: auto;
    
}
.productdetails_dll h3{
    width: 1200px;
    height: 77px;
    font-size: 30px;
    line-height: 77px;
}
.productdetails_dll img{
    width: 1200px;
    height: 189px;
}
.productdetails_dll ul{
    display: flex;
    justify-content: center;
}
.productdetails_dll ul li{
    font-size: 20px;
    color: #999;
    margin-top: 20px;
    margin-left: 50px;
}
footer .footer_server {
    width: 1226px;
    height: 80px;
    margin-left: auto;
    margin-right: auto;
  }
  footer .footer_server .service-list {
    height: 80px;
    border-bottom: 1px solid #cecece;
    display: flex;
    justify-content: space-around;
  }
  footer .footer_server .service-list li {
    width: 243px;
    margin-top: 30px;
    height: 21px;
    list-style: none;
    border-right: 1px solid #cecece;
    text-align: center;
  }
  footer .footer_server .service-list li a {
    position: relative;
    bottom: 12px;
    text-decoration: none;
    color: #616161;
  }
  footer .footer_server .service-list li a span {
    font-size: 30px;
    position: relative;
    top: 5px;
    right: 5px;
  }
  footer .footer_server .service-list li :hover {
    color: #ff6700;
  }
  footer .footer_server .service-list .last-li {
    border: none;
  }
  footer .col-contact .phone {
    margin-top: 30px;
    color: #ff6700;
    font-size: 20px;
  }
  footer .col-contact p {
    font-size: 12px;
    margin-top: 10px;
    margin-bottom: 10px;
  }
  footer .col-contact a {
    font-size: 12px;
  }
  footer .col-contact a span {
    font-size: 12px;
    margin-right: 5px;
  }
  footer .links_clearfix {
    width: 1226px;
    height: 392.5px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
  }
  footer .links_clearfix .kefu:hover {
    background-color: #ff6700;
    color: white;
  }
  footer .links_clearfix .kefu {
    width: 115px;
    height: 30px;
    border: 1px solid #ff6700;
    text-align: center;
    padding-top: 5px;
    color: #ff6700;
  }
  footer .links_clearfix .col-links {
    margin-right: 100px;
    font-size: 12px;
  }
  footer .links_clearfix .col-links dt {
    font-size: 14px;
    margin-top: 26px;
    margin-bottom: 26px;
  }
  footer .links_clearfix .col-links dd {
    margin-bottom: 10px;
  }
  footer .links_clearfix .col-links dd a:hover {
    color: #ff6700;
  }
  footer .links_clearfix .col-links dd a {
    color: #757575;
    text-decoration: none;
  }
  
  .bg4 {
    height: 266px;
    color: black;
    background-color: #fafafa;
  }
  .bg4 .logo2 {
    width: 56px;
    height: 56px;
    border-radius: 5px;
    position: relative;
    left: 18%;
    top: 20px;
  }
  .bg4 .site-info {
    position: relative;
    bottom: 62px;
    width: 1226px;
    margin-left: 22%;
    font-size: 12px;
    -webkit-text-size-adjust: 100%;
    font: 14px/1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;
    font-size: 12px;
    color: #b0b0b0;
    padding-left: 77px;
    -webkit-text-size-adjust: 100%;
    font: 14px/1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;
    color: #333;
    padding: 30px 0;
    font-size: 12px;
  }
  .bg4 .site-info a:hover {
    color: #ff6700;
  }
  .bg4 .site-info a {
    color: #b0b0b0;
    text-decoration: none;
  }
  .bg4 .site-info img {
    width: 86px;
    height: 28px;
  }
  .bg4 .site-info .heikeji {
    width: 400px;
    height: 19px;
    position: relative;
    left: 470px;
    top: 20px;
  }